APR Audi & Volkswagen Performance Software and Programming Options...

Audi A3 2.0T FSI - APR ECU Upgrade:  The ultimate chip upgrade for the A3 2.0T FSI engine is available from APR. After months of long nights and many hours of dyno work we are pleased to offer you chip tuning that is second to none. We have worked hand in hand with many customers to deliver a chip that works. Expect huge increases in low-end torque, improved throttle response and a smoother, more powerful top end.

Stage I ECU Upgrade:  Not only does our Stage I software give you higher peak numbers of 252 horsepower and 303lb-ft. of torque, but also gains of up to 61 horsepower are available at lower rpms! This software is the ultimate upgrade for the new A3 and gives it just the extra edge these cars lack from the factory, without pushing the limits. With factory like smoothness and drivability, the new power will fill the void in an otherwise excellent car.

Audi A4 1.8T - APR ECU Upgrade:  The ultimate chip upgrade for the A4 1.8T engine is available from APR. After months of long nights and many hours of dyno work we are pleased to offer you chip tuning that is second to none. We have worked hand in hand with many customers to deliver a chip that works. Expect huge increases in low-end torque, improved throttle response and a smoother, more powerful top end.

Stage I ECU Upgrade:  The APR A4 1.8T chip is available in a 1.0 Bar configuration. The chip is designed to operate within the turbochargers' efficiency range. Some APR chips are available in an octane specific version for the octane of gasoline that you typically run in your car. The power that the chip makes also depends on which ECU is in your vehicle. Please see the chart below for more information.

Audi A4 B6 1.8T - APR ECU Upgrade:  The ultimate chip upgrade for the B6 A4 1.8T engine is available from APR. After months of long nights and many hours of dyno work they are pleased to offer you chip tuning that is second to none. APR has worked hand in hand with many customers to deliver a chip that works. Expect huge increases in low-end torque, improved throttle response and a smoother, more powerful top end.

Stage I ECU Upgrade

Stage I software gives you 215 horsepower and 245 lb-ft. of torque. This software is the ultimate upgrade for the new B6 A4 and gives it just the extra edge these cars lack from the factory, without pushing the limits. With factory like smoothness and drivability, the new power will fill the void in an otherwise excellent car.

Stage I+ ECU Upgrade

Stage I+ software, along with larger fuel injectors, provides even more horsepower and torque, raising the output to 235 and 275, respectively. While not an extreme upgrade, the Stage I+ gives the A4 a bit more performance without sacrificing drivability or smoothness. For optimal results, our cat-back exhaust system is highly recommended with the use of the Stage I+ system.

APR chips are available in an octane specific version for the octane of gasoline that you typically run in your car. The power that the chip makes also depends on which ECU is in your vehicle. The A4 1.8T ECU can be upgraded with either the use of a soldered in EMCS module, or DirectPort Programming. For more information on DirectPort Programming, please see the DirectPort page. For more information on the ECU upgrade, please see the charts below.

Year	Model	Engine	91 Octane Chipped	93 Octane Chipped	DirectPort Available	Price
2002-05	A4	1.8T	209HP / 236 LB-FT	215HP / 245 LB-FT	YES	$499.00
2002-05	A4 STAGE 1+	1.8T	229HP / 271 LB-FT	235HP / 275 LB-FT	YES	$499.00*
* Stage I+ requires either APR or Bosch Fuel Injectors, which are available for $500.

Audi A4 B7 2.0T FSI - APR ECU Upgrade:  The ultimate chip upgrade for the B7 A4 2.0T FSI engine is available from APR. After months of long nights and many hours of dyno work we are pleased to offer you chip tuning that is second to none.  APR has worked hand in hand with many customers to deliver a chip that works. Expect huge increases in low-end torque, improved throttle response and a smoother, more powerful top end.

Stage I ECU Upgrade

Not only does our Stage I software give you higher peak numbers of 241 horsepower and 292lb-ft. of torque, but also gains of up to 57 horsepower are available at lower rpms! This software is the ultimate upgrade for the new B7 A4 and gives it just the extra edge these cars lack from the factory, without pushing the limits. With factory like smoothness and drivability, the new power will fill the void in an otherwise excellent car.

APR chips are available in an octane specific version for the octane of gasoline that you typically run in your car. The power that the chip makes also depends on which ECU is in your vehicle. The A4 2.0T ECU can be upgraded via DirectPort Programming. For more information on DirectPort Programming, please see the DirectPort page. For more information on the ECU upgrade, please see the charts below.